Results 61 to 70 of about 7,608 (211)

A Survey of Machine Learning Assisted Continuous-Variable Quantum Key Distribution

open access: yesInformation, 2023
Continuous-variable quantum key distribution (CV-QKD) shows potential for the rapid development of an information-theoretic secure global communication network; however, the complexities of CV-QKD implementation remain a restrictive factor.
Nathan K. Long   +2 more
doaj   +1 more source

Thinking and feeling about novelty: How cognition and emotion shape investment in novel ideas

open access: yesStrategic Management Journal, Volume 47, Issue 8, Page 2208-2234, August 2026.
Abstract While prior research on the strategic framing of innovation highlights the cognitive mechanisms underlying novelty evaluation, we know little about the corresponding emotional mechanisms. Drawing on appraisal theory, construal level theory, and the literature on emotions, we theorize two distinct appraisal‐emotion pathways through which the ...
Matthew P. Mount   +3 more
wiley   +1 more source

High-speed integrated QKD system [PDF]

open access: yes, 2022
Quantum key distribution (QKD) is nowadays a well established method for generating secret keys at a distance in an information-theoretic secure way, as the secrecy of QKD relies on the laws of quantum physics and not computational complexity.
Al-Saadi, Aws   +12 more
core  

Relayed-QKD and switched-QKD networks performance comparison considering physical layer QKD limitations

open access: yesOptical Fiber Communication Conference (OFC) 2024
We experimentally evaluate the SKR generation for unoptimized QKD pairs in switched QKD and compare the performance of the switched-QKD with relayed-QKD networks to reveal they perform better for short distances and at large networks.
Nikolaos Makris   +8 more
openaire   +4 more sources

Impact of fiber dispersion on the performance of entanglement-based dispersive optics quantum key distribution

open access: yesJournal of Electronic Science and Technology, 2021
Dispersive optics quantum key distribution (DO-QKD) based on energy-time entangled photon pairs is an important QKD scheme. In DO-QKD, the arrival time of photons is used in key generation and security analysis, which would be greatly affected by fiber ...
Jing-Yuan Liu   +3 more
doaj   +1 more source

Incremental Shifts, Strategic Orbits: The Evolution of EU Space Policy Through Gradual Security Linkages

open access: yesGlobal Policy, Volume 17, Issue S3, Page S9-S21, August 2026.
ABSTRACT This article examines the evolution of European Union (EU) space policy through the lens of historical institutionalism, highlighting how security and defence considerations have been incrementally integrated into a domain originally framed as civilian and scientific.
Gustavo G. Müller, Philip De Man
wiley   +1 more source

Analysis of a commercial QKD System with different Single Photon Detectors

open access: yes, 2022
reservedQuantum Key Distribution (QKD) è un metodo sicuro utilizzato per lo scambio di chiavi crittografiche tra due dispositivi. Sfrutta i principi della meccanica quantistica come il principio di indeterminazione e il collasso della funzione d'onda ...
VENTURINI, MARCO
core  

Security Analysis of Sending or Not-Sending Twin-Field Quantum Key Distribution with Weak Randomness

open access: yesEntropy, 2022
Sending-or-not sending twin-field quantum key distribution (SNS TF-QKD) has the advantage of tolerating large amounts of misalignment errors, and its key rate can exceed the linear bound of repeaterless quantum key distribution.
Xiao-Lei Jiang   +5 more
doaj   +1 more source

Bio‐inspired nanophotonics: Structural color, chirality, and resonance metasurfaces

open access: yesInfoMat, Volume 8, Issue 7, July 2026.
A butterfly‐wing‐inspired anisotropic plasmonic flatband resonant metasurface. Insets, photo of the butterfly, Sasakia charonda, and the SEM image of its wing scale (above); the SEM image of the metasurface (below). Abstract The dazzling colors of butterfly wings and hummingbird feathers are not painted with pigments, but crafted by nature's invisible ...
Weihan Liu, Yao Liang, Din Ping Tsai
wiley   +1 more source

QSAFE‐V: Quantum‐Enhanced Lightweight Authentication Protocol Design For Vehicular Tactile Wireless Networks

open access: yesAdvanced Quantum Technologies, Volume 9, Issue 7, July 2026.
A quantum‐secured authentication framework, QSAFE‐V, is introduced for vehicular Tactile Internet environments. By integrating Quantum Identity Tokens, lattice‐based cryptography, and edge‐assisted verification, the framework enables lightweight mutual authentication with strong resistance against replay, impersonation, and quantum‐enabled attacks ...
Shakil Ahmed   +2 more
wiley   +1 more source

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